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var makeTest = require('./context')
var Bottleneck = require('./bottleneck')
var assert = require('assert')
var child_process = require('child_process')
describe('General', function () {
var c
afterEach(function () {
return c.limiter.disconnect(false)
})
if (
process.env.DATASTORE !== 'redis' && process.env.DATASTORE !== 'ioredis' &&
process.env.BUILD !== 'es5' && process.env.BUILD !== 'light'
) {
it('Should not leak memory on instantiation', async function () {
c = makeTest()
this.timeout(8000)
const { iterate } = require('leakage')
const result = await iterate.async(async () => {
const limiter = new Bottleneck({ datastore: 'local' })
await limiter.ready()
return limiter.disconnect(false)
}, { iterations: 25 })
})
it('Should not leak memory running jobs', async function () {
c = makeTest()
this.timeout(12000)
const { iterate } = require('leakage')
const limiter = new Bottleneck({ datastore: 'local', maxConcurrent: 1, minTime: 10 })
await limiter.ready()
var ctr = 0
var i = 0
const result = await iterate.async(async () => {
await limiter.schedule(function (zero, one) {
i = i + zero + one
}, 0, 1)
await limiter.schedule(function (zero, one) {
i = i + zero + one
}, 0, 1)
}, { iterations: 25 })
c.mustEqual(i, 302)
})
}
it('Should prompt to upgrade', function () {
c = makeTest()
try {
var limiter = new Bottleneck(1, 250)
} catch (err) {
c.mustEqual(err.message, 'Bottleneck v2 takes a single object argument. Refer to https://github.com/SGrondin/bottleneck#upgrading-to-v2 if you\'re upgrading from Bottleneck v1.')
}
})
it('Should allow null capacity', function () {
c = makeTest({ id: 'null', minTime: 0 })
return c.limiter.updateSettings({ minTime: 10 })
})
it('Should keep scope', async function () {
c = makeTest({ maxConcurrent: 1 })
class Job {
constructor() {
this.value = 5
}
action(x) {
return this.value + x
}
}
var job = new Job()
c.mustEqual(6, await c.limiter.schedule(() => job.action.bind(job)(1)))
c.mustEqual(7, await c.limiter.wrap(job.action.bind(job))(2))
})
it('Should pass multiple arguments back even on errors when using submit()', function (done) {
c = makeTest({ maxConcurrent: 1 })
c.limiter.submit(c.job, new Error('welp'), 1, 2, function (err, x, y) {
c.mustEqual(err.message, 'welp')
c.mustEqual(x, 1)
c.mustEqual(y, 2)
done()
})
})
it('Should expose the Events library', function (cb) {
c = makeTest()
class Hello {
constructor() {
this.emitter = new Bottleneck.Events(this)
}
doSomething() {
this.emitter.trigger('info', 'hello', 'world', 123)
return 5
}
}
const myObject = new Hello();
myObject.on('info', (...args) => {
c.mustEqual(args, ['hello', 'world', 123])
cb()
})
myObject.doSomething()
c.mustEqual(myObject.emitter.listenerCount('info'), 1)
c.mustEqual(myObject.emitter.listenerCount('nothing'), 0)
myObject.on('blah', '')
myObject.on('blah', null)
myObject.on('blah')
return myObject.emitter.trigger('blah')
})
describe('Counts and statuses', function () {
it('Should check() and return the queued count with and without a priority value', async function () {
c = makeTest({maxConcurrent: 1, minTime: 100})
c.mustEqual(await c.limiter.check(), true)
c.mustEqual(c.limiter.queued(), 0)
c.mustEqual(await c.limiter.clusterQueued(), 0)
await c.limiter.submit({id: 1}, c.slowJob, 50, null, 1, c.noErrVal(1))
c.mustEqual(c.limiter.queued(), 0) // It's already running
c.mustEqual(await c.limiter.check(), false)
await c.limiter.submit({id: 2}, c.slowJob, 50, null, 2, c.noErrVal(2))
c.mustEqual(c.limiter.queued(), 1)
c.mustEqual(await c.limiter.clusterQueued(), 1)
c.mustEqual(c.limiter.queued(1), 0)
c.mustEqual(c.limiter.queued(5), 1)
await c.limiter.submit({id: 3}, c.slowJob, 50, null, 3, c.noErrVal(3))
c.mustEqual(c.limiter.queued(), 2)
c.mustEqual(await c.limiter.clusterQueued(), 2)
c.mustEqual(c.limiter.queued(1), 0)
c.mustEqual(c.limiter.queued(5), 2)
await c.limiter.submit({id: 4}, c.slowJob, 50, null, 4, c.noErrVal(4))
c.mustEqual(c.limiter.queued(), 3)
c.mustEqual(await c.limiter.clusterQueued(), 3)
c.mustEqual(c.limiter.queued(1), 0)
c.mustEqual(c.limiter.queued(5), 3)
await c.limiter.submit({priority: 1, id: 5}, c.job, null, 5, c.noErrVal(5))
c.mustEqual(c.limiter.queued(), 4)
c.mustEqual(await c.limiter.clusterQueued(), 4)
c.mustEqual(c.limiter.queued(1), 1)
c.mustEqual(c.limiter.queued(5), 3)
var results = await c.last()
c.mustEqual(c.limiter.queued(), 0)
c.mustEqual(await c.limiter.clusterQueued(), 0)
c.checkResultsOrder([[1], [5], [2], [3], [4]])
c.checkDuration(450)
})
it('Should return the running and done counts', function () {
c = makeTest({maxConcurrent: 5, minTime: 0})
return Promise.all([c.limiter.running(), c.limiter.done()])
.then(function ([running, done]) {
c.mustEqual(running, 0)
c.mustEqual(done, 0)
c.pNoErrVal(c.limiter.schedule({ weight: 1, id: 1 }, c.slowPromise, 100, null, 1), 1)
c.pNoErrVal(c.limiter.schedule({ weight: 3, id: 2 }, c.slowPromise, 200, null, 2), 2)
c.pNoErrVal(c.limiter.schedule({ weight: 1, id: 3 }, c.slowPromise, 100, null, 3), 3)
return c.limiter.schedule({ weight: 0, id: 4 }, c.promise, null)
})
.then(function () {
return Promise.all([c.limiter.running(), c.limiter.done()])
})
.then(function ([running, done]) {
c.mustEqual(running, 5)
c.mustEqual(done, 0)
return c.wait(125)
})
.then(function () {
return Promise.all([c.limiter.running(), c.limiter.done()])
})
.then(function ([running, done]) {
c.mustEqual(running, 3)
c.mustEqual(done, 2)
return c.wait(100)
})
.then(function () {
return Promise.all([c.limiter.running(), c.limiter.done()])
})
.then(function ([running, done]) {
c.mustEqual(running, 0)
c.mustEqual(done, 5)
return c.last()
})
.then(function (results) {
c.checkDuration(200)
c.checkResultsOrder([[], [1], [3], [2]])
})
})
it('Should refuse duplicate Job IDs', async function () {
c = makeTest({maxConcurrent: 2, minTime: 100, trackDoneStatus: true})
try {
await c.limiter.schedule({ id: 'a' }, c.promise, null, 1)
await c.limiter.schedule({ id: 'b' }, c.promise, null, 2)
await c.limiter.schedule({ id: 'a' }, c.promise, null, 3)
} catch (e) {
c.mustEqual(e.message, 'A job with the same id already exists (id=a)')
}
})
it('Should return job statuses', function () {
c = makeTest({maxConcurrent: 2, minTime: 100})
c.mustEqual(c.limiter.counts(), { RECEIVED: 0, QUEUED: 0, RUNNING: 0, EXECUTING: 0 })
c.pNoErrVal(c.limiter.schedule({ weight: 1, id: 1 }, c.slowPromise, 100, null, 1), 1)
c.pNoErrVal(c.limiter.schedule({ weight: 1, id: 2 }, c.slowPromise, 200, null, 2), 2)
c.pNoErrVal(c.limiter.schedule({ weight: 2, id: 3 }, c.slowPromise, 100, null, 3), 3)
c.mustEqual(c.limiter.counts(), { RECEIVED: 3, QUEUED: 0, RUNNING: 0, EXECUTING: 0 })
return c.wait(50)
.then(function () {
c.mustEqual(c.limiter.counts(), { RECEIVED: 0, QUEUED: 1, RUNNING: 1, EXECUTING: 1 })
c.mustEqual(c.limiter.jobStatus(1), 'EXECUTING')
c.mustEqual(c.limiter.jobStatus(2), 'RUNNING')
c.mustEqual(c.limiter.jobStatus(3), 'QUEUED')
return c.last()
})
.then(function (results) {
c.checkDuration(400)
c.checkResultsOrder([[1], [2], [3]])
})
})
it('Should return job statuses, including DONE', function () {
c = makeTest({maxConcurrent: 2, minTime: 100, trackDoneStatus: true})
c.mustEqual(c.limiter.counts(), { RECEIVED: 0, QUEUED: 0, RUNNING: 0, EXECUTING: 0, DONE: 0 })
c.pNoErrVal(c.limiter.schedule({ weight: 1, id: 1 }, c.slowPromise, 100, null, 1), 1)
c.pNoErrVal(c.limiter.schedule({ weight: 1, id: 2 }, c.slowPromise, 200, null, 2), 2)
c.pNoErrVal(c.limiter.schedule({ weight: 2, id: 3 }, c.slowPromise, 100, null, 3), 3)
c.mustEqual(c.limiter.counts(), { RECEIVED: 3, QUEUED: 0, RUNNING: 0, EXECUTING: 0, DONE: 0 })
return c.wait(50)
.then(function () {
c.mustEqual(c.limiter.counts(), { RECEIVED: 0, QUEUED: 1, RUNNING: 1, EXECUTING: 1, DONE: 0 })
c.mustEqual(c.limiter.jobStatus(1), 'EXECUTING')
c.mustEqual(c.limiter.jobStatus(2), 'RUNNING')
c.mustEqual(c.limiter.jobStatus(3), 'QUEUED')
return c.wait(100)
})
.then(function () {
c.mustEqual(c.limiter.counts(), { RECEIVED: 0, QUEUED: 1, RUNNING: 0, EXECUTING: 1, DONE: 1 })
c.mustEqual(c.limiter.jobStatus(1), 'DONE')
c.mustEqual(c.limiter.jobStatus(2), 'EXECUTING')
c.mustEqual(c.limiter.jobStatus(3), 'QUEUED')
return c.last()
})
.then(function (results) {
c.mustEqual(c.limiter.counts(), { RECEIVED: 0, QUEUED: 0, RUNNING: 0, EXECUTING: 0, DONE: 4 })
c.checkDuration(400)
c.checkResultsOrder([[1], [2], [3]])
})
})
it('Should return jobs for a status', function () {
c = makeTest({maxConcurrent: 2, minTime: 100, trackDoneStatus: true})
c.mustEqual(c.limiter.counts(), { RECEIVED: 0, QUEUED: 0, RUNNING: 0, EXECUTING: 0, DONE: 0 })
c.pNoErrVal(c.limiter.schedule({ weight: 1, id: 1 }, c.slowPromise, 100, null, 1), 1)
c.pNoErrVal(c.limiter.schedule({ weight: 1, id: 2 }, c.slowPromise, 200, null, 2), 2)
c.pNoErrVal(c.limiter.schedule({ weight: 2, id: 3 }, c.slowPromise, 100, null, 3), 3)
c.mustEqual(c.limiter.counts(), { RECEIVED: 3, QUEUED: 0, RUNNING: 0, EXECUTING: 0, DONE: 0 })
c.mustEqual(c.limiter.jobs(), ['1', '2', '3'])
c.mustEqual(c.limiter.jobs('RECEIVED'), ['1', '2', '3'])
return c.wait(50)
.then(function () {
c.mustEqual(c.limiter.counts(), { RECEIVED: 0, QUEUED: 1, RUNNING: 1, EXECUTING: 1, DONE: 0 })
c.mustEqual(c.limiter.jobs('EXECUTING'), ['1'])
c.mustEqual(c.limiter.jobs('RUNNING'), ['2'])
c.mustEqual(c.limiter.jobs('QUEUED'), ['3'])
return c.wait(100)
})
.then(function () {
c.mustEqual(c.limiter.counts(), { RECEIVED: 0, QUEUED: 1, RUNNING: 0, EXECUTING: 1, DONE: 1 })
c.mustEqual(c.limiter.jobs('DONE'), ['1'])
c.mustEqual(c.limiter.jobs('EXECUTING'), ['2'])
c.mustEqual(c.limiter.jobs('QUEUED'), ['3'])
return c.last()
})
.then(function (results) {
c.mustEqual(c.limiter.counts(), { RECEIVED: 0, QUEUED: 0, RUNNING: 0, EXECUTING: 0, DONE: 4 })
c.checkDuration(400)
c.checkResultsOrder([[1], [2], [3]])
})
})
it('Should trigger events on status changes', function () {
c = makeTest({maxConcurrent: 2, minTime: 100, trackDoneStatus: true})
var onReceived = 0
var onQueued = 0
var onScheduled = 0
var onExecuting = 0
var onDone = 0
c.limiter.on('received', (info) => {
c.mustEqual(Object.keys(info).sort(), ['args', 'options'])
onReceived++
})
c.limiter.on('queued', (info) => {
c.mustEqual(Object.keys(info).sort(), ['args', 'blocked', 'options', 'reachedHWM'])
onQueued++
})
c.limiter.on('scheduled', (info) => {
c.mustEqual(Object.keys(info).sort(), ['args', 'options'])
onScheduled++
})
c.limiter.on('executing', (info) => {
c.mustEqual(Object.keys(info).sort(), ['args', 'options', 'retryCount'])
onExecuting++
})
c.limiter.on('done', (info) => {
c.mustEqual(Object.keys(info).sort(), ['args', 'options', 'retryCount'])
onDone++
})
c.mustEqual(c.limiter.counts(), { RECEIVED: 0, QUEUED: 0, RUNNING: 0, EXECUTING: 0, DONE: 0 })
c.pNoErrVal(c.limiter.schedule({ weight: 1, id: 1 }, c.slowPromise, 100, null, 1), 1)
c.pNoErrVal(c.limiter.schedule({ weight: 1, id: 2 }, c.slowPromise, 200, null, 2), 2)
c.pNoErrVal(c.limiter.schedule({ weight: 2, id: 3 }, c.slowPromise, 100, null, 3), 3)
c.mustEqual(c.limiter.counts(), { RECEIVED: 3, QUEUED: 0, RUNNING: 0, EXECUTING: 0, DONE: 0 })
c.mustEqual([onReceived, onQueued, onScheduled, onExecuting, onDone], [3, 0, 0, 0, 0])
return c.wait(50)
.then(function () {
c.mustEqual(c.limiter.counts(), { RECEIVED: 0, QUEUED: 1, RUNNING: 1, EXECUTING: 1, DONE: 0 })
c.mustEqual([onReceived, onQueued, onScheduled, onExecuting, onDone], [3, 3, 2, 1, 0])
return c.wait(100)
})
.then(function () {
c.mustEqual(c.limiter.counts(), { RECEIVED: 0, QUEUED: 1, RUNNING: 0, EXECUTING: 1, DONE: 1 })
c.mustEqual(c.limiter.jobs('DONE'), ['1'])
c.mustEqual(c.limiter.jobs('EXECUTING'), ['2'])
c.mustEqual(c.limiter.jobs('QUEUED'), ['3'])
c.mustEqual([onReceived, onQueued, onScheduled, onExecuting, onDone], [3, 3, 2, 2, 1])
return c.last()
})
.then(function (results) {
c.mustEqual(c.limiter.counts(), { RECEIVED: 0, QUEUED: 0, RUNNING: 0, EXECUTING: 0, DONE: 4 })
c.mustEqual([onReceived, onQueued, onScheduled, onExecuting, onDone], [4, 4, 4, 4, 4])
c.checkDuration(400)
c.checkResultsOrder([[1], [2], [3]])
})
})
})
describe('Events', function () {
it('Should return itself', function () {
c = makeTest({ id: 'test-limiter' })
var returned = c.limiter.on('ready', function () { })
c.mustEqual(returned.id, 'test-limiter')
})
it('Should fire events on empty queue', function () {
c = makeTest({maxConcurrent: 1, minTime: 100})
var calledEmpty = 0
var calledIdle = 0
var calledDepleted = 0
c.limiter.on('empty', function () { calledEmpty++ })
c.limiter.on('idle', function () { calledIdle++ })
c.limiter.on('depleted', function () { calledDepleted++ })
return c.pNoErrVal(c.limiter.schedule({id: 1}, c.slowPromise, 50, null, 1), 1)
.then(function () {
c.mustEqual(calledEmpty, 1)
c.mustEqual(calledIdle, 1)
return Promise.all([
c.pNoErrVal(c.limiter.schedule({id: 2}, c.slowPromise, 50, null, 2), 2),
c.pNoErrVal(c.limiter.schedule({id: 3}, c.slowPromise, 50, null, 3), 3)
])
})
.then(function () {
return c.limiter.submit({id: 4}, c.slowJob, 50, null, 4, null)
})
.then(function () {
c.checkDuration(250)
c.checkResultsOrder([[1], [2], [3]])
c.mustEqual(calledEmpty, 3)
c.mustEqual(calledIdle, 2)
c.mustEqual(calledDepleted, 0)
return c.last()
})
})
it('Should fire events once', function () {
c = makeTest({maxConcurrent: 1, minTime: 100})
var calledEmptyOnce = 0
var calledIdleOnce = 0
var calledEmpty = 0
var calledIdle = 0
var calledDepleted = 0
c.limiter.once('empty', function () { calledEmptyOnce++ })
c.limiter.once('idle', function () { calledIdleOnce++ })
c.limiter.on('empty', function () { calledEmpty++ })
c.limiter.on('idle', function () { calledIdle++ })
c.limiter.on('depleted', function () { calledDepleted++ })
c.pNoErrVal(c.limiter.schedule(c.slowPromise, 50, null, 1), 1)
return c.pNoErrVal(c.limiter.schedule(c.promise, null, 2), 2)
.then(function () {
c.mustEqual(calledEmptyOnce, 1)
c.mustEqual(calledIdleOnce, 1)
c.mustEqual(calledEmpty, 1)
c.mustEqual(calledIdle, 1)
return c.pNoErrVal(c.limiter.schedule(c.promise, null, 3), 3)
})
.then(function () {
c.checkDuration(200)
c.checkResultsOrder([[1], [2], [3]])
c.mustEqual(calledEmptyOnce, 1)
c.mustEqual(calledIdleOnce, 1)
c.mustEqual(calledEmpty, 2)
c.mustEqual(calledIdle, 2)
c.mustEqual(calledDepleted, 0)
})
})
it('Should support faulty event listeners', function (done) {
c = makeTest({maxConcurrent: 1, minTime: 100, errorEventsExpected: true})
var calledError = 0
c.limiter.on('error', function (err) {
calledError++
if (err.message === 'Oh noes!' && calledError === 1) {
done()
}
})
c.limiter.on('empty', function () {
throw new Error('Oh noes!')
})
c.pNoErrVal(c.limiter.schedule(c.promise, null, 1), 1)
})
it('Should wait for async event listeners', function (done) {
c = makeTest({maxConcurrent: 1, minTime: 100, errorEventsExpected: true})
var calledError = 0
c.limiter.on('error', function (err) {
calledError++
if (err.message === 'It broke!' && calledError === 1) {
done()
}
})
c.limiter.on('empty', function () {
return c.slowPromise(100, null, 1, 2)
.then(function (x) {
c.mustEqual(x, [1, 2])
return Promise.reject(new Error('It broke!'))
})
})
c.pNoErrVal(c.limiter.schedule(c.promise, null, 1), 1)
})
})
describe('High water limit', function () {
it('Should support highWater set to 0', function () {
c = makeTest({maxConcurrent: 1, minTime: 0, highWater: 0, rejectOnDrop: false})
var first = c.pNoErrVal(c.limiter.schedule(c.slowPromise, 50, null, 1), 1)
c.pNoErrVal(c.limiter.schedule(c.slowPromise, 50, null, 2), 2)
c.pNoErrVal(c.limiter.schedule(c.slowPromise, 50, null, 3), 3)
c.pNoErrVal(c.limiter.schedule(c.slowPromise, 50, null, 4), 4)
return first
.then(function () {
return c.last({ weight: 0 })
})
.then(function (results) {
c.checkDuration(50)
c.checkResultsOrder([[1]])
})
})
it('Should support highWater set to 1', function () {
c = makeTest({maxConcurrent: 1, minTime: 0, highWater: 1, rejectOnDrop: false})
var first = c.pNoErrVal(c.limiter.schedule(c.slowPromise, 50, null, 1), 1)
c.pNoErrVal(c.limiter.schedule(c.slowPromise, 50, null, 2), 2)
c.pNoErrVal(c.limiter.schedule(c.slowPromise, 50, null, 3), 3)
var last = c.pNoErrVal(c.limiter.schedule(c.slowPromise, 50, null, 4), 4)
return Promise.all([first, last])
.then(function () {
return c.last({ weight: 0 })
})
.then(function (results) {
c.checkDuration(100)
c.checkResultsOrder([[1], [4]])
})
})
})
describe('Weight', function () {
it('Should not add jobs with a weight above the maxConcurrent', function () {
c = makeTest({maxConcurrent: 2})
c.pNoErrVal(c.limiter.schedule({ weight: 1 }, c.promise, null, 1), 1)
c.pNoErrVal(c.limiter.schedule({ weight: 2 }, c.promise, null, 2), 2)
return c.limiter.schedule({ weight: 3 }, c.promise, null, 3)
.catch(function (err) {
c.mustEqual(err.message, 'Impossible to add a job having a weight of 3 to a limiter having a maxConcurrent setting of 2')
return c.last()
})
.then(function (results) {
c.checkDuration(0)
c.checkResultsOrder([[1], [2]])
})
})
it('Should support custom job weights', function () {
c = makeTest({maxConcurrent: 2})
c.pNoErrVal(c.limiter.schedule({ weight: 1 }, c.slowPromise, 100, null, 1), 1)
c.pNoErrVal(c.limiter.schedule({ weight: 2 }, c.slowPromise, 200, null, 2), 2)
c.pNoErrVal(c.limiter.schedule({ weight: 1 }, c.slowPromise, 100, null, 3), 3)
c.pNoErrVal(c.limiter.schedule({ weight: 1 }, c.slowPromise, 100, null, 4), 4)
c.pNoErrVal(c.limiter.schedule({ weight: 0 }, c.slowPromise, 100, null, 5), 5)
return c.last()
.then(function (results) {
c.checkDuration(400)
c.checkResultsOrder([[1], [2], [3], [4], [5]])
})
})
it('Should overflow at the correct rate', function () {
c = makeTest({
maxConcurrent: 2,
reservoir: 3
})
var calledDepleted = 0
var emptyArguments = []
c.limiter.on('depleted', function (empty) {
emptyArguments.push(empty)
calledDepleted++
})
var p1 = c.pNoErrVal(c.limiter.schedule({ weight: 1, id: 1 }, c.slowPromise, 100, null, 1), 1)
var p2 = c.pNoErrVal(c.limiter.schedule({ weight: 2, id: 2 }, c.slowPromise, 150, null, 2), 2)
var p3 = c.pNoErrVal(c.limiter.schedule({ weight: 1, id: 3 }, c.slowPromise, 100, null, 3), 3)
var p4 = c.pNoErrVal(c.limiter.schedule({ weight: 1, id: 4 }, c.slowPromise, 100, null, 4), 4)
return Promise.all([p1, p2])
.then(function () {
c.mustEqual(c.limiter.queued(), 2)
return c.limiter.currentReservoir()
})
.then(function (reservoir) {
c.mustEqual(reservoir, 0)
c.mustEqual(calledDepleted, 1)
return c.limiter.incrementReservoir(1)
})
.then(function (reservoir) {
c.mustEqual(reservoir, 1)
return c.last({ priority: 1, weight: 0 })
})
.then(function (results) {
c.mustEqual(calledDepleted, 3)
c.mustEqual(c.limiter.queued(), 1)
c.checkDuration(250)
c.checkResultsOrder([[1], [2]])
return c.limiter.currentReservoir()
})
.then(function (reservoir) {
c.mustEqual(reservoir, 0)
return c.limiter.updateSettings({ reservoir: 1 })
})
.then(function () {
return Promise.all([p3, p4])
})
.then(function () {
return c.limiter.currentReservoir()
})
.then(function (reservoir) {
c.mustEqual(reservoir, 0)
c.mustEqual(calledDepleted, 4)
c.mustEqual(emptyArguments, [false, false, false, true])
})
})
})
describe('Expiration', function () {
it('Should cancel jobs', function () {
c = makeTest({ maxConcurrent: 2 })
var t0 = Date.now()
return Promise.all([
c.pNoErrVal(c.limiter.schedule({ id: 'very-slow-no-expiration' }, c.slowPromise, 150, null, 1), 1),
c.limiter.schedule({ expiration: 50, id: 'slow-with-expiration' }, c.slowPromise, 75, null, 2)
.then(function () {
return Promise.reject(new Error("Should have timed out."))
})
.catch(function (err) {
c.mustEqual(err.message, 'This job timed out after 50 ms.')
var duration = Date.now() - t0
assert(duration > 45 && duration < 80)
return Promise.all([c.limiter.running(), c.limiter.done()])
})
.then(function ([running, done]) {
c.mustEqual(running, 1)
c.mustEqual(done, 1)
})
])
.then(function () {
var duration = Date.now() - t0
assert(duration > 145 && duration < 180)
return Promise.all([c.limiter.running(), c.limiter.done()])
})
.then(function ([running, done]) {
c.mustEqual(running, 0)
c.mustEqual(done, 2)
})
})
})
describe('Pubsub', function () {
it('Should pass strings', function (done) {
c = makeTest({ maxConcurrent: 2 })
c.limiter.on('message', function (msg) {
c.mustEqual(msg, 'hello')
done()
})
c.limiter.publish('hello')
})
it('Should pass objects', function (done) {
c = makeTest({ maxConcurrent: 2 })
var obj = {
array: ['abc', true],
num: 235.59
}
c.limiter.on('message', function (msg) {
c.mustEqual(JSON.parse(msg), obj)
done()
})
c.limiter.publish(JSON.stringify(obj))
})
})
describe('Reservoir Refresh', function () {
it('Should auto-refresh the reservoir', function () {
c = makeTest({
reservoir: 8,
reservoirRefreshInterval: 150,
reservoirRefreshAmount: 5,
heartbeatInterval: 75 // not for production use
})
var calledDepleted = 0
c.limiter.on('depleted', function () {
calledDepleted++
})
return Promise.all([
c.pNoErrVal(c.limiter.schedule({ weight: 1 }, c.promise, null, 1), 1),
c.pNoErrVal(c.limiter.schedule({ weight: 2 }, c.promise, null, 2), 2),
c.pNoErrVal(c.limiter.schedule({ weight: 3 }, c.promise, null, 3), 3),
c.pNoErrVal(c.limiter.schedule({ weight: 4 }, c.promise, null, 4), 4),
c.pNoErrVal(c.limiter.schedule({ weight: 5 }, c.promise, null, 5), 5)
])
.then(function () {
return c.limiter.currentReservoir()
})
.then(function (reservoir) {
c.mustEqual(reservoir, 0)
return c.last({ weight: 0, priority: 9 })
})
.then(function (results) {
c.checkResultsOrder([[1], [2], [3], [4], [5]])
c.mustEqual(calledDepleted, 2)
c.checkDuration(300)
})
})
it('Should allow staggered X by Y type usage', function () {
c = makeTest({
reservoir: 2,
reservoirRefreshInterval: 150,
reservoirRefreshAmount: 2,
heartbeatInterval: 75 // not for production use
})
return Promise.all([
c.pNoErrVal(c.limiter.schedule(c.promise, null, 1), 1),
c.pNoErrVal(c.limiter.schedule(c.promise, null, 2), 2),
c.pNoErrVal(c.limiter.schedule(c.promise, null, 3), 3),
c.pNoErrVal(c.limiter.schedule(c.promise, null, 4), 4)
])
.then(function () {
return c.limiter.currentReservoir()
})
.then(function (reservoir) {
c.mustEqual(reservoir, 0)
return c.last({ weight: 0, priority: 9 })
})
.then(function (results) {
c.checkResultsOrder([[1], [2], [3], [4]])
c.checkDuration(150)
})
})
it('Should keep process alive until queue is empty', function (done) {
c = makeTest()
var options = {
cwd: process.cwd() + '/test/spawn',
timeout: 1000
}
child_process.exec('node refreshKeepAlive.js', options, function (err, stdout, stderr) {
c.mustEqual(stdout, '[0][0][2][2]')
c.mustEqual(stderr, '')
done(err)
})
})
})
describe('Reservoir Increase', function () {
it('Should auto-increase the reservoir', async function () {
c = makeTest({
reservoir: 3,
reservoirIncreaseInterval: 150,
reservoirIncreaseAmount: 5,
heartbeatInterval: 75 // not for production use
})
var calledDepleted = 0
c.limiter.on('depleted', function () {
calledDepleted++
})
await Promise.all([
c.pNoErrVal(c.limiter.schedule({ weight: 1 }, c.promise, null, 1), 1),
c.pNoErrVal(c.limiter.schedule({ weight: 2 }, c.promise, null, 2), 2),
c.pNoErrVal(c.limiter.schedule({ weight: 3 }, c.promise, null, 3), 3),
c.pNoErrVal(c.limiter.schedule({ weight: 4 }, c.promise, null, 4), 4),
c.pNoErrVal(c.limiter.schedule({ weight: 5 }, c.promise, null, 5), 5)
])
const reservoir = await c.limiter.currentReservoir()
c.mustEqual(reservoir, 3)
const results = await c.last({ weight: 0, priority: 9 })
c.checkResultsOrder([[1], [2], [3], [4], [5]])
c.mustEqual(calledDepleted, 1)
c.checkDuration(450)
})
it('Should auto-increase the reservoir up to a maximum', async function () {
c = makeTest({
reservoir: 3,
reservoirIncreaseInterval: 150,
reservoirIncreaseAmount: 5,
reservoirIncreaseMaximum: 6,
heartbeatInterval: 75 // not for production use
})
var calledDepleted = 0
c.limiter.on('depleted', function () {
calledDepleted++
})
await Promise.all([
c.pNoErrVal(c.limiter.schedule({ weight: 1 }, c.promise, null, 1), 1),
c.pNoErrVal(c.limiter.schedule({ weight: 2 }, c.promise, null, 2), 2),
c.pNoErrVal(c.limiter.schedule({ weight: 3 }, c.promise, null, 3), 3),
c.pNoErrVal(c.limiter.schedule({ weight: 4 }, c.promise, null, 4), 4),
c.pNoErrVal(c.limiter.schedule({ weight: 5 }, c.promise, null, 5), 5)
])
const reservoir = await c.limiter.currentReservoir()
c.mustEqual(reservoir, 1)
const results = await c.last({ weight: 0, priority: 9 })
c.checkResultsOrder([[1], [2], [3], [4], [5]])
c.mustEqual(calledDepleted, 1)
c.checkDuration(450)
})
it('Should allow staggered X by Y type usage', function () {
c = makeTest({
reservoir: 2,
reservoirIncreaseInterval: 150,
reservoirIncreaseAmount: 2,
heartbeatInterval: 75 // not for production use
})
return Promise.all([
c.pNoErrVal(c.limiter.schedule(c.promise, null, 1), 1),
c.pNoErrVal(c.limiter.schedule(c.promise, null, 2), 2),
c.pNoErrVal(c.limiter.schedule(c.promise, null, 3), 3),
c.pNoErrVal(c.limiter.schedule(c.promise, null, 4), 4)
])
.then(function () {
return c.limiter.currentReservoir()
})
.then(function (reservoir) {
c.mustEqual(reservoir, 0)
return c.last({ weight: 0, priority: 9 })
})
.then(function (results) {
c.checkResultsOrder([[1], [2], [3], [4]])
c.checkDuration(150)
})
})
it('Should keep process alive until queue is empty', function (done) {
c = makeTest()
var options = {
cwd: process.cwd() + '/test/spawn',
timeout: 1000
}
child_process.exec('node increaseKeepAlive.js', options, function (err, stdout, stderr) {
c.mustEqual(stdout, '[0][0][2][2]')
c.mustEqual(stderr, '')
done(err)
})
})
})
})